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144354205452 = 223125919334943
BaseRepresentation
bin1000011001110000101…
…1100101111100001100
3111210121021220102201210
42012130023211330030
54331114134033302
6150152043334420
713300142333562
oct2063413457414
9453537812653
10144354205452
1156247205146
1223b87b21410
13107c69acb22
146db5a25a32
153b4d11166c
hex219c2e5f0c

144354205452 has 48 divisors (see below), whose sum is σ = 337336634880. Its totient is φ = 48045254208.

The previous prime is 144354205451. The next prime is 144354205487. The reversal of 144354205452 is 254502453441.

It is a self number, because there is not a number n which added to its sum of digits gives 144354205452.

It is not an unprimeable number, because it can be changed into a prime (144354205451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29201293 + ... + 29206235.

It is an arithmetic number, because the mean of its divisors is an integer number (7027846560).

Almost surely, 2144354205452 is an apocalyptic number.

144354205452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144354205452 is an abundant number, since it is smaller than the sum of its proper divisors (192982429428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144354205452 is a wasteful number, since it uses less digits than its factorization.

144354205452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 144354205452 its reverse (254502453441), we get a palindrome (398856658893).

The spelling of 144354205452 in words is "one hundred forty-four billion, three hundred fifty-four million, two hundred five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 1259 1933 2518 3777 3866 4943 5036 5799 7554 7732 9886 11598 14829 15108 19772 23196 29658 59316 2433647 4867294 6223237 7300941 9554819 9734588 12446474 14601882 18669711 19109638 24892948 28664457 29203764 37339422 38219276 57328914 74678844 114657828 12029517121 24059034242 36088551363 48118068484 72177102726 144354205452